Nathan Guertler

NATHAN GUERTLER NEWS FEED

No position group at USC entered the spring surrounded by more uncertainty than the offensive line. With the key losses of Marcus Martin, Kevin Graf, John Martinez and Abe Markowitz, a new position coach in Tim Drevno, and the offense transitioning into Steve Sarkisians up-tempo, shotgun-based attack, no one knew quite what to expect.

It was on a Monday in late January when USC's Nathan Guertler - who has had a big spring filling the role as the Trojans starting right tackle -- finally received the news that hed been waiting to hear about.

With spring practice set to start back up again for USC next week, heres a look at 10 players who entered the March and April workouts as somewhat hidden commodities but who showed in the first week of spring practice that they just might have the potential to take on a larger role for the Trojans in 2014.

LOS ANGELES -- With the USC Trojans sudden dearth of tight ends due to injuries suffered in the Notre Dame game, it was out of desperation that junior walk-on offensive tackle Nathan Guertler was converted to tight end, and the results couldnt be more satisfying.

As the Trojans continue to battle injuries while they prepare for the final stretch of the 2013 season, here are 5 players who have stepped up when called upon due to injuries to other players at their position.